Home / 185,639.04-256,160.07-103,972.41

Finding the Fourth Proportional to 185,639.04, 256,160.07 and 103,972.41

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Solution

The fourth proportional to 185,639.04, 256,160.07 and 103,972.41 is: 143,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,639.04 : 256,160.07 = 103,972.41 : x
  2. Step 2: Convert to fraction form
    185,639.04/256,160.07 = 103,972.41/x
  3. Step 3: Cross multiply
    185,639.04x = 256,160.07 × 103,972.41
  4. Step 4: Simplify right side
    185,639.04x = 26,633,579,823.67
  5. Step 5: Solve for x
    x = 26,633,579,823.67/185,639.04
  6. Step 6: Final answer
    x = 143,469.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.